﻿<p>The planar extent defines the extent along the two axes of the
two-dimensional coordinate system, independently of its position. If the planar
extent is used within a three-dimensional coordinate system, it defines the
extent along the x and y axes.</p>
<blockquote class="note">NOTE&nbsp; Entity adapted from
<strong>planar_extent</strong> defined in ISO10303-46</blockquote>
<blockquote class="history">HISTORY&nbsp; New entity in IFC2x2.</blockquote>